evp/e_camellia.c: engage SPARC T5 Camellia support [from master].
This commit is contained in:
Andy Polyakov
parent
047c02e8db
commit
a1bf7de5a7
1 changed files with 306 additions and 28 deletions
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@ -61,6 +61,7 @@
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#include <assert.h>
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#include <openssl/camellia.h>
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#include "evp_locl.h"
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#include "modes_lcl.h"
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static int camellia_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
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const unsigned char *iv, int enc);
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@ -69,59 +70,336 @@ static int camellia_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
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typedef struct
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{
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CAMELLIA_KEY ks;
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block128_f block;
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union {
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cbc128_f cbc;
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ctr128_f ctr;
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} stream;
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} EVP_CAMELLIA_KEY;
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#define MAXBITCHUNK ((size_t)1<<(sizeof(size_t)*8-4))
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/* Attribute operation for Camellia */
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#define data(ctx) EVP_C_DATA(EVP_CAMELLIA_KEY,ctx)
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IMPLEMENT_BLOCK_CIPHER(camellia_128, ks, Camellia, EVP_CAMELLIA_KEY,
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NID_camellia_128, 16, 16, 16, 128,
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0, camellia_init_key, NULL,
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EVP_CIPHER_set_asn1_iv,
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EVP_CIPHER_get_asn1_iv,
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NULL)
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IMPLEMENT_BLOCK_CIPHER(camellia_192, ks, Camellia, EVP_CAMELLIA_KEY,
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NID_camellia_192, 16, 24, 16, 128,
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0, camellia_init_key, NULL,
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EVP_CIPHER_set_asn1_iv,
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EVP_CIPHER_get_asn1_iv,
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NULL)
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IMPLEMENT_BLOCK_CIPHER(camellia_256, ks, Camellia, EVP_CAMELLIA_KEY,
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NID_camellia_256, 16, 32, 16, 128,
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0, camellia_init_key, NULL,
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EVP_CIPHER_set_asn1_iv,
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EVP_CIPHER_get_asn1_iv,
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NULL)
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#if defined(AES_ASM) && (defined(__sparc) || defined(__sparc__))
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/* ---------^^^ this is not a typo, just a way to detect that
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* assembler support was in general requested... */
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#include "sparc_arch.h"
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#define IMPLEMENT_CAMELLIA_CFBR(ksize,cbits) IMPLEMENT_CFBR(camellia,Camellia,EVP_CAMELLIA_KEY,ks,ksize,cbits,16)
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extern unsigned int OPENSSL_sparcv9cap_P[];
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IMPLEMENT_CAMELLIA_CFBR(128,1)
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IMPLEMENT_CAMELLIA_CFBR(192,1)
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IMPLEMENT_CAMELLIA_CFBR(256,1)
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#define SPARC_CMLL_CAPABLE (OPENSSL_sparcv9cap_P[1] & CFR_CAMELLIA)
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IMPLEMENT_CAMELLIA_CFBR(128,8)
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IMPLEMENT_CAMELLIA_CFBR(192,8)
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IMPLEMENT_CAMELLIA_CFBR(256,8)
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void cmll_t4_set_key (const unsigned char *key, int bits,
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CAMELLIA_KEY *ks);
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void cmll_t4_encrypt (const unsigned char *in, unsigned char *out,
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const CAMELLIA_KEY *key);
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void cmll_t4_decrypt (const unsigned char *in, unsigned char *out,
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const CAMELLIA_KEY *key);
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void cmll128_t4_cbc_encrypt (const unsigned char *in, unsigned char *out,
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size_t len, const CAMELLIA_KEY *key,
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unsigned char *ivec);
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void cmll128_t4_cbc_decrypt (const unsigned char *in, unsigned char *out,
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size_t len, const CAMELLIA_KEY *key,
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unsigned char *ivec);
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void cmll256_t4_cbc_encrypt (const unsigned char *in, unsigned char *out,
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size_t len, const CAMELLIA_KEY *key,
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unsigned char *ivec);
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void cmll256_t4_cbc_decrypt (const unsigned char *in, unsigned char *out,
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size_t len, const CAMELLIA_KEY *key,
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unsigned char *ivec);
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void cmll128_t4_ctr32_encrypt (const unsigned char *in, unsigned char *out,
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size_t blocks, const CAMELLIA_KEY *key,
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unsigned char *ivec);
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void cmll256_t4_ctr32_encrypt (const unsigned char *in, unsigned char *out,
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size_t blocks, const CAMELLIA_KEY *key,
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unsigned char *ivec);
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static int cmll_t4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
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const unsigned char *iv, int enc)
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{
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int ret, mode, bits;
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EVP_CAMELLIA_KEY *dat = (EVP_CAMELLIA_KEY *)ctx->cipher_data;
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mode = ctx->cipher->flags & EVP_CIPH_MODE;
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bits = ctx->key_len*8;
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cmll_t4_set_key(key, bits, &dat->ks);
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if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
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&& !enc)
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{
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ret = 0;
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dat->block = (block128_f)cmll_t4_decrypt;
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switch (bits) {
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case 128:
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dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
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(cbc128_f)cmll128_t4_cbc_decrypt :
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NULL;
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break;
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case 192:
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case 256:
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dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
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(cbc128_f)cmll256_t4_cbc_decrypt :
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NULL;
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break;
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default:
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ret = -1;
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}
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}
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else {
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ret = 0;
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dat->block = (block128_f)cmll_t4_encrypt;
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switch (bits) {
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case 128:
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if (mode==EVP_CIPH_CBC_MODE)
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dat->stream.cbc = (cbc128_f)cmll128_t4_cbc_encrypt;
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else if (mode==EVP_CIPH_CTR_MODE)
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dat->stream.ctr = (ctr128_f)cmll128_t4_ctr32_encrypt;
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else
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dat->stream.cbc = NULL;
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break;
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case 192:
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case 256:
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if (mode==EVP_CIPH_CBC_MODE)
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dat->stream.cbc = (cbc128_f)cmll256_t4_cbc_encrypt;
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else if (mode==EVP_CIPH_CTR_MODE)
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dat->stream.ctr = (ctr128_f)cmll256_t4_ctr32_encrypt;
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else
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dat->stream.cbc = NULL;
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break;
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default:
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ret = -1;
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}
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}
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if(ret < 0)
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{
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EVPerr(EVP_F_CMLL_T4_INIT_KEY,EVP_R_CAMELLIA_KEY_SETUP_FAILED);
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return 0;
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}
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return 1;
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}
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#define cmll_t4_cbc_cipher camellia_cbc_cipher
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static int cmll_t4_cbc_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
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const unsigned char *in, size_t len);
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#define cmll_t4_ecb_cipher camellia_ecb_cipher
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static int cmll_t4_ecb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
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const unsigned char *in, size_t len);
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#define cmll_t4_ofb_cipher camellia_ofb_cipher
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static int cmll_t4_ofb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
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const unsigned char *in,size_t len);
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#define cmll_t4_cfb_cipher camellia_cfb_cipher
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static int cmll_t4_cfb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
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const unsigned char *in,size_t len);
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#define cmll_t4_cfb8_cipher camellia_cfb8_cipher
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static int cmll_t4_cfb8_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
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const unsigned char *in,size_t len);
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#define cmll_t4_cfb1_cipher camellia_cfb1_cipher
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static int cmll_t4_cfb1_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
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const unsigned char *in,size_t len);
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#define cmll_t4_ctr_cipher camellia_ctr_cipher
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static int cmll_t4_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
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const unsigned char *in, size_t len);
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#define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
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static const EVP_CIPHER cmll_t4_##keylen##_##mode = { \
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nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
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flags|EVP_CIPH_##MODE##_MODE, \
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cmll_t4_init_key, \
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cmll_t4_##mode##_cipher, \
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NULL, \
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sizeof(EVP_CAMELLIA_KEY), \
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NULL,NULL,NULL,NULL }; \
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static const EVP_CIPHER camellia_##keylen##_##mode = { \
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nid##_##keylen##_##nmode,blocksize, \
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keylen/8,ivlen, \
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flags|EVP_CIPH_##MODE##_MODE, \
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camellia_init_key, \
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camellia_##mode##_cipher, \
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NULL, \
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sizeof(EVP_CAMELLIA_KEY), \
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NULL,NULL,NULL,NULL }; \
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const EVP_CIPHER *EVP_camellia_##keylen##_##mode(void) \
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{ return SPARC_CMLL_CAPABLE?&cmll_t4_##keylen##_##mode:&camellia_##keylen##_##mode; }
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#else
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#define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
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static const EVP_CIPHER camellia_##keylen##_##mode = { \
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nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
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flags|EVP_CIPH_##MODE##_MODE, \
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camellia_init_key, \
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camellia_##mode##_cipher, \
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NULL, \
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sizeof(EVP_CAMELLIA_KEY), \
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NULL,NULL,NULL,NULL }; \
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const EVP_CIPHER *EVP_camellia_##keylen##_##mode(void) \
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{ return &camellia_##keylen##_##mode; }
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#endif
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#define BLOCK_CIPHER_generic_pack(nid,keylen,flags) \
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BLOCK_CIPHER_generic(nid,keylen,16,16,cbc,cbc,CBC,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
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BLOCK_CIPHER_generic(nid,keylen,16,0,ecb,ecb,ECB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
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BLOCK_CIPHER_generic(nid,keylen,1,16,ofb128,ofb,OFB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
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BLOCK_CIPHER_generic(nid,keylen,1,16,cfb128,cfb,CFB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
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BLOCK_CIPHER_generic(nid,keylen,1,16,cfb1,cfb1,CFB,flags) \
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BLOCK_CIPHER_generic(nid,keylen,1,16,cfb8,cfb8,CFB,flags)
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#if 0 /* not yet, missing NID */
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BLOCK_CIPHER_generic(nid,keylen,1,16,ctr,ctr,CTR,flags)
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#endif
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/* The subkey for Camellia is generated. */
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static int camellia_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
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const unsigned char *iv, int enc)
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{
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int ret;
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ret=Camellia_set_key(key, ctx->key_len * 8, ctx->cipher_data);
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int ret, mode;
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EVP_CAMELLIA_KEY *dat = (EVP_CAMELLIA_KEY *)ctx->cipher_data;
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ret=Camellia_set_key(key, ctx->key_len * 8, &dat->ks);
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if(ret < 0)
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{
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EVPerr(EVP_F_CAMELLIA_INIT_KEY,EVP_R_CAMELLIA_KEY_SETUP_FAILED);
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return 0;
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}
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mode = ctx->cipher->flags & EVP_CIPH_MODE;
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if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
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&& !enc)
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{
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dat->block = (block128_f)Camellia_decrypt;
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dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
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(cbc128_f)Camellia_cbc_encrypt :
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NULL;
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}
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else
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{
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dat->block = (block128_f)Camellia_encrypt;
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dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
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(cbc128_f)Camellia_cbc_encrypt :
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NULL;
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}
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return 1;
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}
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static int camellia_cbc_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
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const unsigned char *in, size_t len)
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{
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EVP_CAMELLIA_KEY *dat = (EVP_CAMELLIA_KEY *)ctx->cipher_data;
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if (dat->stream.cbc)
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(*dat->stream.cbc)(in,out,len,&dat->ks,ctx->iv,ctx->encrypt);
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else if (ctx->encrypt)
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CRYPTO_cbc128_encrypt(in,out,len,&dat->ks,ctx->iv,dat->block);
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else
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CRYPTO_cbc128_encrypt(in,out,len,&dat->ks,ctx->iv,dat->block);
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return 1;
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}
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static int camellia_ecb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
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const unsigned char *in, size_t len)
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{
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size_t bl = ctx->cipher->block_size;
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size_t i;
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EVP_CAMELLIA_KEY *dat = (EVP_CAMELLIA_KEY *)ctx->cipher_data;
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if (len<bl) return 1;
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for (i=0,len-=bl;i<=len;i+=bl)
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(*dat->block)(in+i,out+i,&dat->ks);
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return 1;
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}
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static int camellia_ofb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
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const unsigned char *in,size_t len)
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{
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EVP_CAMELLIA_KEY *dat = (EVP_CAMELLIA_KEY *)ctx->cipher_data;
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CRYPTO_ofb128_encrypt(in,out,len,&dat->ks,
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ctx->iv,&ctx->num,dat->block);
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return 1;
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}
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static int camellia_cfb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
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const unsigned char *in,size_t len)
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{
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EVP_CAMELLIA_KEY *dat = (EVP_CAMELLIA_KEY *)ctx->cipher_data;
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CRYPTO_cfb128_encrypt(in,out,len,&dat->ks,
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ctx->iv,&ctx->num,ctx->encrypt,dat->block);
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return 1;
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}
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static int camellia_cfb8_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
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const unsigned char *in,size_t len)
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{
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EVP_CAMELLIA_KEY *dat = (EVP_CAMELLIA_KEY *)ctx->cipher_data;
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CRYPTO_cfb128_8_encrypt(in,out,len,&dat->ks,
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ctx->iv,&ctx->num,ctx->encrypt,dat->block);
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return 1;
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}
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static int camellia_cfb1_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
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const unsigned char *in,size_t len)
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{
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EVP_CAMELLIA_KEY *dat = (EVP_CAMELLIA_KEY *)ctx->cipher_data;
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if (ctx->flags&EVP_CIPH_FLAG_LENGTH_BITS) {
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CRYPTO_cfb128_1_encrypt(in,out,len,&dat->ks,
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ctx->iv,&ctx->num,ctx->encrypt,dat->block);
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return 1;
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}
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while (len>=MAXBITCHUNK) {
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CRYPTO_cfb128_1_encrypt(in,out,MAXBITCHUNK*8,&dat->ks,
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ctx->iv,&ctx->num,ctx->encrypt,dat->block);
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len-=MAXBITCHUNK;
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}
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if (len)
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CRYPTO_cfb128_1_encrypt(in,out,len*8,&dat->ks,
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ctx->iv,&ctx->num,ctx->encrypt,dat->block);
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return 1;
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}
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#if 0 /* not yet, missing NID */
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static int camellia_ctr_cipher (EVP_CIPHER_CTX *ctx, unsigned char *out,
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const unsigned char *in, size_t len)
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{
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unsigned int num = ctx->num;
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EVP_CAMELLIA_KEY *dat = (EVP_CAMELLIA_KEY *)ctx->cipher_data;
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if (dat->stream.ctr)
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CRYPTO_ctr128_encrypt_ctr32(in,out,len,&dat->ks,
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ctx->iv,ctx->buf,&num,dat->stream.ctr);
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else
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CRYPTO_ctr128_encrypt(in,out,len,&dat->ks,
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ctx->iv,ctx->buf,&num,dat->block);
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ctx->num = (size_t)num;
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return 1;
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}
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#endif
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BLOCK_CIPHER_generic_pack(NID_camellia,128,0)
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BLOCK_CIPHER_generic_pack(NID_camellia,192,0)
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BLOCK_CIPHER_generic_pack(NID_camellia,256,0)
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#else
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# ifdef PEDANTIC
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